High-flier Nvidia Corp. (NASDAQ:NVDA), Advanced Micro Devices, Inc. (NASDAQ:AMD) and a few other chip makers received price target boosts from KeyBanc Capital Markets on Monday.The Analyst: John Vinh maintained his Outperform ratings on AMD, Nvidia, Arm Holdings plc (NASDAQ:ARM), Micron Technology, Inc. (NASDAQ:MU) and Qualcomm, Inc. (NASDAQ:QCOM).The analyst lifted the price target for each of these, with the upward adjustments as follows:See Also: Best Semiconductor StocksThe Semiconductor Thesis: According to KeyBanc's supply-chain investigation, the findings were mixed, indicating overall weak trends in broad end-demand. There's inventory